GRK 5/16 in. x 4 in. Star Drive Low Profile Washer Head Structural Wood Screw (100-Pack)

GRK fasteners' rugged structural screw (RSS) is an easy to install lag alternative. Typical applications include structural decking, general framing, remodeling, structural applications, multi-ply and LVL fastening and ledger board. The w-cut provides low installation torque which allows for fast driving and ease of install. The zip-tip feature allows for no pre-drilling and 1-step installation. The unique thread design draws 2 substrates together while washer head allows zero gap joints. Our Climaseal coated screws provide corrosion resistance in pressure treated wood with corrosive ground contact.|Easy to install lag alternative|1-step install, no pre-drilling|20% faster drive time|Superior clamping force on the first drive|W-cut provides low installation torque|Climatek corrosion resistant coating